Item Type: Metal Detector_x000D_ Material: ABS_x000D_ Weight: Approx. 200g/7.1oz_x000D_ Product Size: Approx. 24.5 x 4cm/9.7 x 1.6in_x000D_ Battery information: 1 x 9V Battery(Applicable to All Types of 9V Batteries) (Battery Not Included)_x000D_ Temperature Range: -35(-37) to 158 (70)_x000D_ Working Frequency: 12kHz_x000D_ Indicator: Proportional Audio/ Vibration Pulse Rate_x000D_ Control: Power Switch_x000D_ The Sensitivity Distance for Detecting 1 Yuan Coins: Approx. 5cm/2in_x000D_ Detection Method: Vibration, sound alarm, 4 modes can be adjusted, long press the switch button for 3~4 seconds to enter the adjustment mode._x000D_ 4 Modes:_x000D_ a: Low Sensitivity of Sound + Vibration_x000D_ b: High Sensitivity of Sound + Vibration_x000D_ c: Low Vibration Sensitivity_x000D_ d: High Vibration Sensitivity 1Humanized design, equipped with special hanging accessories, compact body, easy to carry. 2With sound and vibration alarms to indicate the metal objects, the strength of the alarm increases when approaching a metal target. 3With LED flashlight, it helps to work in the dark and low light conditions. 4Stable performance, high?sensitivity design, the detection surface is 360?degree detection, making it easier to find contraband. 5The shell made of high?quality ABS material is wear?resistant, durable and not easy to damage. 1 x Metal Detector (Battery Not Included) 1 xKnitted StripHolder 1 x Rope Ring 1 x Instruction 1. Please allow 0?2 cm error due to manual measurement. Thanks for your understanding._x000D_ 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard._x000D_ 3. The product is not waterproof, please do not put it directly into the water.